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Capacidad de emisión de cuerpos calientes

 
Detalles

Num.Producto: P0454351

Comparación de diferentes tipos de colectores solares

Principle

A collector test field can be used to investigate the temperature response of four differently designed solar collectors. It also demonstrates the effect of the absorber's colour, of heat insulation and covering of the glass. Measurements are made simultaneously and ...

 
Detalles

Num.Producto: P0882100

Dilatación longitudinal de metales

Principle

Metal tubes are heated with steam. The linear expansion of three different metals is determined with the aid of a rotating-shaft pointer. From this the metals' coefficient of linear expansion is determined (Supplementary problem). The use of a rolling-shaft pointer is ...

 
Detalles

Num.Producto: P1042900

Coeficiente de conducción de calor de metales

Principle

One end of a U-shaped metal rod is immersed in boiling water and the other in cold water. From the warming of the cold water qualitative and quantitative statements can be made about the influence of the rod's composition, length and diameter on the heat flow through it. Since ...

 
Detalles

Num.Producto: P1043200

Absorción de radiación térmica

Principle

A polished and a black beaker are heated by radiation. Instead of solar radiation a bright flame located in front of the two beakers is used.
Both beakers are filled with air since the heat capacity of water is very large and it would be too slowly heated.
 

Task

What ...

 
Detalles

Num.Producto: P1043500

Aislamiento térmico con Cobra4

Principle

A quick loss of heat is sometimes not wanted. What can be done to keep the temperature in a vessel
constant?

Tasks

Measure the cooling of hot water in two different environments:

  • In a glass beaker that is fitted out with thermal insulation in the form of felt sheets ...
 
Detalles

Num.Producto: P1043660

Calentamiendo del agua con Cobra4

Principle

How depends the time required to heat up water on the amount of water when a defined heating source is available?

Tasks

Heat up various amounts of water with an electric heating coil and measure the time dependence of the
temperature increase.

...
 
Detalles

Num.Producto: P1043760

Calentamiento de diferentes líquidos con Cobra4

Principle

Do different liquids heat up to the same extent when subject to the same heating?

Tasks

Heat 100 g and 100 ml of water and of glycerol with an electric heating coil and measure the temperature
in dependence on time.

...
 
Detalles

Num.Producto: P1043860

Capacidad calorífica específica del agua

Principle

A measured quantity of water is heated with a heating coil. The electrical heat output is determined. From the temperature increase and the heat energy, the specific heat capacity of water is calculated. This calculation is performed under point 6 of "Evaluation", i.e. ...

 
Detalles

Num.Producto: P1043900

Capacidad calorífica específica del agua con Cobra4

Principle

In households, a great amount of energy is used to heat up water - for showers, for washing clothes, for cooking. Exactly how much is necessary for each degree that each mililitre of water is warmed up? How are amount of heat, heat capacity and change in ...

 
Detalles

Num.Producto: P1043960

Calor de mezclas y capacidad calorífica de un calorímetro con Cobra4

Principle

Quantities of heat distribute themselves so that finally all parts that are in contact with each other have the same temperature. If the heat capacities and the initial temperatures are known, then the final temperature can be predicted. Or, in reverse, the final temperature can ...

 
Detalles

Num.Producto: P1044160

Capacidad calorífica de metales con Cobra4

Principle

The calorimeter can be used to determinethe heat content of a piece of metal.The heat content can be calculated fromthe mixing temperature that is reachedin the calorimeter.

Tasks

Heat up metal bodies of the same mass but different metals to the same temperature in a water ...

 
Detalles

Num.Producto: P1044260

Medición calorimétrica de temperatura con Cobra4

Principle

Calorimetry can also be used to determine the temperature of a hot object that is difficult to measured by any other method, e.g. because it is too hot for the thermometers available. The heatcontent of the object can be calculated from the mixture temperature that is reached in ...

 
Detalles

Num.Producto: P1044360

Conversión de energía mecánica en energía interna con Cobra4

Principle

Different forms of energy can be converted into each other. Here the potential energy of steel pellets is converted to heat when falling pellets collide.

Tasks

Let the pellets drop the same distance numerous times and measure how quickly they warm up.

...
 
Detalles

Num.Producto: P1044460

Evaporación con Cobra4

Principle

Drinks can be cooled by putting the bottle in a moist sock and letting the sock dry. The same process occurs when our bodies are cooled by sweating. The change in temperature that occurs is to be examined in this experiment.

Tasks

Wet the absorbent paper with water or ...

 
Detalles

Num.Producto: P1045160

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